(0 21 8 5 3)(1 4 2)(6 11 9)(7 15 13)(10 19 12)(14 18 16 20 17)
ALLOWS (11/8)-SEQUENCE
1: (0 14 18)

(0 16 20 17 14 21 8 5 3)(1 4 2)(6 11 9)(7 15 13)(10 19 12)(18)
2: (8 20 17)

(0 16 20 5 3)(1 4 2)(6 11 9)(7 15 13)(8 14 21)(10 19 12)(17)(18)
3: (7 15 13)

(0 16 20 5 3)(1 4 2)(6 11 9)(7)(8 14 21)(10 19 12)(13)(15)(17)(18)
4: (5 16 20)

(0 16 3)(1 4 2)(5)(6 11 9)(7)(8 14 21)(10 19 12)(13)(15)(17)(18)(20)